■ [Cast Cost] [Pay 1 gauge] ■ Choose and use one of the following two. You may only cast "Great Spell, Bifrost of Haven and Earth" once per turn. ・Put an «Asgard» or «Dungeon Enemy» monster from your drop zone intoto you hand, and you gain 1 life! ・Draw a card, and put all souls from a spell with [Set] on the field into the drop zone.